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    • 1. 发明授权
    • Camera information coding/decoding method for synthesizing stereoscopic real video and a computer graphic image
    • 用于合成立体真实视频和计算机图形图像的相机信息编码/解码方法
    • US06965699B2
    • 2005-11-15
    • US10121583
    • 2002-04-15
    • Se Yoon JeongByung Tae ChunKyu Seo HanHo Sub YoonYoung Lae Bae
    • Se Yoon JeongByung Tae ChunKyu Seo HanHo Sub YoonYoung Lae Bae
    • H04N7/24H04N13/00H04N13/02G06K9/36
    • H04N19/597H04N13/111H04N13/296
    • A camera information coding/decoding method for synthesizing stereoscopic real video and a computer graphic image is disclosed. The method stores the camera information generated when picturing, which is not contained in the existing multimedia contents coding standard, that is, the location motion information of the camera and the camera viewpoint displacement information, together with contents as the camera motion information stream. The camera information obtained through the camera position sensor and the camera viewpoint displacement sensor when picturing image is coded and stored together with the contents, thereby easily and precisely synthesizing with the computer graphic image. In addition, since the information may be easily transformed to the descriptor of the camera motion information of MPEG-7 format, there is another advantage of easily carrying out camera motion information indexing operation among searching methods of the multimedia contents.
    • 公开了一种用于合成立体真实视频和计算机图形图像的相机信息编码/解码方法。 该方法将在现有的多媒体内容编码标准中不包含的图像中生成的相机信息,即相机的位置运动信息和摄像机视点位移信息与内容一起存储为相机运动信息流。 通过相机位置传感器和摄像机视点位移传感器获取的摄像机信息与图像一起被编码并存储在一起,由此容易且准确地与计算机图形图像合成。 此外,由于信息可以容易地转换为MPEG-7格式的相机运动信息的描述符,所以存在在多媒体内容的搜索方法之间轻松执行相机运动信息索引操作的另一个优点。
    • 2. 发明授权
    • Method and apparatus for estimating camera motion
    • 用于估计摄像机运动的方法和装置
    • US06710844B2
    • 2004-03-23
    • US10029794
    • 2001-12-31
    • Kyu Seo HanByung Tae ChunJae Yeon LeeJung SohHo Sub YoonSe Yoon JeongYoung Lae Bae
    • Kyu Seo HanByung Tae ChunJae Yeon LeeJung SohHo Sub YoonSe Yoon JeongYoung Lae Bae
    • G03B1918
    • H04N5/145
    • A method and an apparatus for estimating a camera motion include a frame picture memory unit for storing a plurality of moving picture frames, a buffer for sequentially extracting the frames and storing them, a block division unit for dividing each of the frames stored in the buffer into a plurality of blocks, a mean picture generation unit for generating horizontal and vertical mean pictures using the blocks, a horizontal and a vertical mean picture memory unit for storing the data of the horizontal and vertical mean pictures, a motion vector extraction unit for extracting motion vectors from the blocks using horizontal and vertical mean picture data, a motion vector memory unit for storing the data of the motion vectors, and a camera motion estimation unit for estimating a camera motion using the motion vector data.
    • 用于估计摄像机运动的方法和装置包括:用于存储多个运动图像帧的帧图像存储单元,用于顺序提取帧并存储它们的缓冲器;块分割单元,用于分割存储在缓冲器中的每个帧 用于使用该块生成水平和垂直平均图像的平均图像生成单元,用于存储水平和垂直平均图像的数据的水平和垂直平均图像存储单元,用于提取的运动矢量提取单元 使用水平和垂直平均图像数据的块的运动矢量,用于存储运动矢量的数据的运动矢量存储单元和用于使用运动矢量数据估计相机运动的相机运动估计单元。
    • 4. 发明申请
    • METHOD AND APPARATUS FOR RECOGNIZING GESTURE IN IMAGE PROCESSING SYSTEM
    • 用于识别图像处理系统中的姿态的方法和装置
    • US20080019589A1
    • 2008-01-24
    • US11778724
    • 2007-07-17
    • Ho Sub YoonSu Young CHIDo Hyung KIMHye Jin KIMJae Yeon LEE
    • Ho Sub YoonSu Young CHIDo Hyung KIMHye Jin KIMJae Yeon LEE
    • G06K9/00G06K9/46
    • G06K9/00355G06K9/00228
    • A method and apparatus for recognizing a gesture in an image processing system. In the apparatus, an input unit receives an image obtained by capturing a gesture of a user using a camera. A detector detects a face area in the input image, and detects a hand area in gesture search areas. The gesture search areas being set by dividing the image into predetermined areas with reference to a predetermined location of the detected face area. A controller sets the gesture search areas, determines whether a gesture occurs in the detected hand area, and selects a detection area with respect to the gesture to generate a control command for controlling an image device. A calculator calculates skin-color information and differential-area information for checking a gesture in the detected hand area. Accordingly, a hand area can be accurately detected, and a gesture can be separated from peripheral movement information, so that mal-functioning caused by gesture recognition can be reduced.
    • 一种用于在图像处理系统中识别手势的方法和装置。 在该装置中,输入单元接收通过使用相机拍摄用户的手势而获得的图像。 检测器检测输入图像中的面部区域,并且检测手势搜索区域中的手区域。 参考检测到的面部区域的预定位置,将图像划分成预定区域来设置手势搜索区域。 控制器设置手势搜索区域,确定在检测到的手区域中是否发生手势,并且针对手势选择检测区域,以生成用于控制图像装置的控制命令。 计算器计算皮肤颜色信息和差分区域信息,用于检测检测到的手区域中的手势。 因此,可以精确地检测手区域,并且可以将手势与周边运动信息分离,从而可以减少由手势识别引起的误功能。
    • 8. 发明授权
    • Method and apparatus for sequencing off-line character from natural scene
    • 从自然场景中排除离线角色的方法和装置
    • US08934716B2
    • 2015-01-13
    • US13599111
    • 2012-08-30
    • Ho Sub YoonJi Eun KimKyu Dae BanDong Jin LeeJae Hong KimJoo Chan Sohn
    • Ho Sub YoonJi Eun KimKyu Dae BanDong Jin LeeJae Hong KimJoo Chan Sohn
    • G06K9/34G06K9/46
    • G06K9/00865G06K9/3258G06K9/348G06K2209/01
    • Disclosed is a method of sequencing character information in order to increase precision of character recognition. The method includes: a pre-processing that extracts character information from an image to binarize the extracted character information through a predetermined threshold and extracts and thins a center line of the binarized character information; normalizing the pre-processed character information to character information according to a predetermined criteria; and sequencing the normalized character information using structural features including an end point or a divergence point of the character information. The present invention suggests an angle normalization method of input character information, a structural feature position determining method, and a structural feature numeral string generating method to strongly recognize characters configured by various fonts obtained from a natural scene regardless of an angle or a size of the characters.
    • 公开了一种对字符信息进行排序以提高字符识别精度的方法。 该方法包括:预处理,其从图像提取字符信息,以将所提取的字符信息二值化为预定阈值,并提取并清除二值化字符信息的中心线; 根据预定标准将预处理字符信息规范化为字符信息; 以及使用包括字符信息的终点或发散点的结构特征对归一化字符信息进行排序。 本发明提出一种输入字符信息的角度归一化方法,结构特征位置确定方法和结构特征数字串生成方法,用于强烈地识别从自然场景获得的各种字体配置的字符,而不管角度或尺寸如何 人物。
    • 9. 发明授权
    • Method and apparatus for shoulder-line detection and gesture spotting detection
    • 用于肩线检测和手势点检测的方法和装置
    • US08204311B2
    • 2012-06-19
    • US11673696
    • 2007-02-12
    • Hye Jin KimHo Sub YoonDo Hyung KimJae Yeon Lee
    • Hye Jin KimHo Sub YoonDo Hyung KimJae Yeon Lee
    • G06K9/48
    • G06K9/00335
    • A gesture spotting detection method and apparatus employ a shoulder-line algorithm. The shoulder-line detecting method recognizes a GSD calling gesture that occurs in a shoulder-line, head or higher part in a remote distance or a short distance, although a user does not have a fixed posture. In the method, an image of people is received, and skin information of a person in the image is detected to detect a face area. Then, the cloth color information of the person is modeled from the inputted image to detect a cloth area. An external space is defined from the image based on the body space area, and an edge is extracted from the image based on the body space and the external space. Then, shoulder-line information is acquired based on an energy function obtained based on the body space, the external space, and the edge.
    • 手势点检测方法和装置采用肩线算法。 肩线检测方法识别在远程或短距离的肩线,头部或更高部位发生的GSD呼叫手势,尽管用户不具有固定的姿势。 在该方法中,接收人的图像,并且检测图像中的人的皮肤信息以检测面部区域。 然后,根据输入的图像对人的布颜色信息进行建模,以检测布面积。 基于身体空间区域从图像中定义外部空间,并且基于身体空间和外部空间从图像提取边缘。 然后,基于基于体空间,外部空间和边缘获得的能量函数来获取肩线信息。